class Program
    {
        static void Main()
        {
            Console.Write("Enter size:");
            int[] num = new int[int.Parse(Console.ReadLine())];
            int max = 0;

            for (int i = 0; i < num.Length; i++)
            {
                num[i] = Math.Abs(int.Parse(Console.ReadLine()));
            }

            foreach ( int i in num)
            {
                max = max < i ? i : max;
            }

            Console.WriteLine("The biggest module =" + max);
        }
    }